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TCDD/TCDF analysis results, Jan 2002

Machine-extracted title · confidence 95%

Laboratory report detailing TCDD and TCDF analysis results for a wipe sample from the NYC WTC area.

NYC-WTC_000186379–000186386
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Scanned page image, NYC-WTC_000186381
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OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

Page No. 2 Lilting of P020108B.dbf 01/17/2002 Matched GC Peaks / Ratio / Ret. Time

Compound/ QC.Log Ondt Why ..RT. OK Ratio Total .Area/Ht Area/Ht. Peakl Area/Ht. Peak2 Rai. RT Compound. Name . . ID.. Flags.

DC SHI 23;27 RO 1.34 0.44 1.012 DC SNI 23:38 RO 1.83 0.21 1.019 23:51 0.65 6.94 2.74 4.20 1.029 DC WHI 25:20 RO 0.93 0.74 1.093 316-31B 2 Peaks 343.14

Above: TCDF / TCDO Follow*

13C12-TCDD 0.65-0.89 0.908-1.092 332-334 DC NL Height 0.30 0.22 0.08 21:43 0.79 233.83 103.15 130.68 1.000 13C12-2378-TCDD ISl Height 50.00 22.11 27.89 22:00 0.80 321.32 143.25 178.07 1.013 13C12-1234-TCDD RSI 332-334 2 FeaXs 555.15

Col turn Description. "Why” Code Description QC Log Desc

M_2 -Nominal Ion Mass (as) WL-Below Retention Tine Window A-Peak Added . .RT. -Retention Time (mntss) WH-Above Retention Tine Window X-Peak Kept Rat.l -Ratio of M/M4-2 Ions SM-Below Signal to Noise Level D-Peak Deleted OX -ROxRsCio Outside Limits <M-Below Method Detection Limit T-Tiiae Changed Rei .RT-Relative Retention Til NL-Chennel Specific Noise Level M-Peak Area Changed N-Naae Changed X-Etber Interference *** End of Report •**

Triangle Laboratories, Inc.® 801 Capitola Drive • Durham. North Carolina 27713 Printed: 01:40 01/17/2002 Phone: (919) 544-5729 • Fax: (919) 544-5491 142

CITY_21MC100_003110520

NYC-WTC_000186381

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NYC-WTC_000186381Source: NYC Law Department, mirrored locally

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